Illustrations In Volume Ii

CHARLES DARWIN, 1881. From a photograph by Elliott & Fry.

ALFRED RUSSEL WALLACE, 1878. From a photograph by Maull & Fox.

GEORGE J. ROMANES, 1891. From a photograph by Elliott & Fry. (Romanes' "Life.")

CHARLES LYELL. From a photograph by Maull & Fox. (Lyell's "Life," Volume

CHARLES DARWIN, 1854 (?). From a photograph by Maull & Fox. FRITZ MULLER. From a photograph.

FACSIMILES OF SKETCHES IN THE LETTERS. FIGURE 1. Hypothetical Section Illustrating Continental Elevation. FIGURE 2. Diagram of Junction between Dike and Lava. FIGURE 3. Outline of an Elliptic Crater.

FIGURE 4. Hypothetical Section showing the Relation of Dikes to Volcanic Vents.

FIGURE 5. Map illustrating the Linear Arrangement of Volcanic Islands in relation to Continental Coast-lines.

FIGURE 6. Sketch showing the Form and Distribution of Quartz in a Foliated Rock.

FIGURE 7. Sketch showing the Arrangement of Felspar and Quartz in a Metamorphic Series.

FIGURE 8. Floral Diagram of an Orchid.

FIGURE 9. Dissected Flower of Habenaria Chlorantha.

FIGURE 10. Diagram of a Cruciferous Flower.

FIGURE 11. Longitudinal Section of a Cruciferous Flower.

FIGURE 12. Transverse Section of the Ovary of a Crucifer.

FIGURE 13. (Contents/1. Not a facsimile.) Leaf of Trifolium resupinatum. (Drawn by Miss Pertz.)

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